Princetown weather by month

Check out Princetown weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Princetown (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
3°C maximum daytime temperature in January in Princetown3
5°C maximum daytime temperature in February in Princetown5
10°C maximum daytime temperature in March in Princetown10
16°C maximum daytime temperature in April in Princetown16
22°C maximum daytime temperature in May in Princetown22
27°C maximum daytime temperature in June in Princetown27
30°C maximum daytime temperature in July in Princetown30
29°C maximum daytime temperature in August in Princetown29
25°C maximum daytime temperature in September in Princetown25
19°C maximum daytime temperature in October in Princetown19
13°C maximum daytime temperature in November in Princetown13
6°C maximum daytime temperature in December in Princetown6
Min temperature (night-time)
-7°C minimum night-time temperature in January in Princetown-7
-6°C minimum night-time temperature in February in Princetown-6
-1°C minimum night-time temperature in March in Princetown-1
4°C minimum night-time temperature in April in Princetown4
9°C minimum night-time temperature in May in Princetown9
15°C minimum night-time temperature in June in Princetown15
17°C minimum night-time temperature in July in Princetown17
17°C minimum night-time temperature in August in Princetown17
12°C minimum night-time temperature in September in Princetown12
6°C minimum night-time temperature in October in Princetown6
2°C minimum night-time temperature in November in Princetown2
-4°C minimum night-time temperature in December in Princetown-4
Heat & Humidity
No heat & humidity in January in Princetown0
No heat & humidity in February in Princetown0
No heat & humidity in March in Princetown0
No heat & humidity in April in Princetown0
No heat & humidity in May in Princetown0
Low heat & humidity in June in PrincetownL
Moderate heat & humidity in July in PrincetownM
Moderate heat & humidity in August in PrincetownM
No heat & humidity in September in Princetown0
No heat & humidity in October in Princetown0
No heat & humidity in November in Princetown0
No heat & humidity in December in Princetown0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Princetown

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Princetown10
11 hours of daylight per day in February in Princetown11
12 hours of daylight per day in March in Princetown12
13 hours of daylight per day in April in Princetown13
14 hours of daylight per day in May in Princetown14
15 hours of daylight per day in June in Princetown15
15 hours of daylight per day in July in Princetown15
14 hours of daylight per day in August in Princetown14
12 hours of daylight per day in September in Princetown12
11 hours of daylight per day in October in Princetown11
10 hours of daylight per day in November in Princetown10
9 hours of daylight per day in December in Princetown9
UV Index (Maximum)
UV (maximum) index 2 (Low) in January in Princetown2
UV (maximum) index 3 (Moderate) in February in Princetown3
UV (maximum) index 4 (Moderate) in March in Princetown4
UV (maximum) index 6 (High) in April in Princetown6
UV (maximum) index 8 (Very High) in May in Princetown8
UV (maximum) index 9 (Very High) in June in Princetown9
UV (maximum) index 9 (Very High) in July in Princetown9
UV (maximum) index 8 (Very High) in August in Princetown8
UV (maximum) index 6 (High) in September in Princetown6
UV (maximum) index 4 (Moderate) in October in Princetown4
UV (maximum) index 2 (Low) in November in Princetown2
UV (maximum) index 2 (Low) in December in Princetown2

Rainfall in Princetown

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
10 days with some rainfall in January in Princetown10
10 days with some rainfall in February in Princetown10
11 days with some rainfall in March in Princetown11
11 days with some rainfall in April in Princetown11
11 days with some rainfall in May in Princetown11
10 days with some rainfall in June in Princetown10
10 days with some rainfall in July in Princetown10
9 days with some rainfall in August in Princetown9
8 days with some rainfall in September in Princetown8
8 days with some rainfall in October in Princetown8
10 days with some rainfall in November in Princetown10
11 days with some rainfall in December in Princetown11
Average monthly rainfall (mm)
86 mm monthly rainfall in January in Princetown86
75 mm monthly rainfall in February in Princetown75
100 mm monthly rainfall in March in Princetown100
99 mm monthly rainfall in April in Princetown99
105 mm monthly rainfall in May in Princetown105
92 mm monthly rainfall in June in Princetown92
126 mm monthly rainfall in July in Princetown126
115 mm monthly rainfall in August in Princetown115
104 mm monthly rainfall in September in Princetown104
84 mm monthly rainfall in October in Princetown84
99 mm monthly rainfall in November in Princetown99
96 mm monthly rainfall in December in Princetown96

More about Princetown

Princetown by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for New Jersey (Princetown) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Princetown?

Princetown has a cold climate with hot summers and some rainfall in all months.

Princetown weather in January

Expect daytime maximum temperatures of 3°C in Princetown, New Jersey in January based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 86 mm of rainfall in the month, which might fall as snow.

  • 3°C maximum daytime temperature in January in Princetown3
    3°C max day temperature
  • 5 hours of sunshine per day
  • 10 days with some rainfall in January in Princetown10
    10 days with some rainfall
  • -7°C minimum night-time temperature in January in Princetown-7
    -7°C min night temperature
  • 10 hours of daylight per day in January in Princetown10
    10 hours of daylight per day
  • No heat & humidity in January in Princetown0
    No heat & humidity
  • 86 mm monthly rainfall in January in Princetown86
    86 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Princetown2
    2 (Low) UV index

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Princetown weather in February

Expect daytime maximum temperatures of 5°C in Princetown, New Jersey in February based on long-term weather averages. There are 6 hours of sunshine per day on average with 10 days with some rainfall and typically 75 mm of rainfall in the month, which might fall as snow.

  • 5°C maximum daytime temperature in February in Princetown5
    5°C max day temperature
  • 6 hours of sunshine per day
  • 10 days with some rainfall in February in Princetown10
    10 days with some rainfall
  • -6°C minimum night-time temperature in February in Princetown-6
    -6°C min night temperature
  • 11 hours of daylight per day in February in Princetown11
    11 hours of daylight per day
  • No heat & humidity in February in Princetown0
    No heat & humidity
  • 75 mm monthly rainfall in February in Princetown75
    75 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in February in Princetown3
    3 (Moderate) UV index

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Princetown weather in March

Expect daytime maximum temperatures of 10°C in Princetown, New Jersey in March based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 100 mm of rainfall in the month.

  • 10°C maximum daytime temperature in March in Princetown10
    10°C max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in March in Princetown11
    11 days with some rainfall
  • -1°C minimum night-time temperature in March in Princetown-1
    -1°C min night temperature
  • 12 hours of daylight per day in March in Princetown12
    12 hours of daylight per day
  • No heat & humidity in March in Princetown0
    No heat & humidity
  • 100 mm monthly rainfall in March in Princetown100
    100 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in March in Princetown4
    4 (Moderate) UV index

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Princetown weather in April

Expect daytime maximum temperatures of 16°C in Princetown, New Jersey in April based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 99 mm of rainfall in the month.

  • 16°C maximum daytime temperature in April in Princetown16
    16°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in April in Princetown11
    11 days with some rainfall
  • 4°C minimum night-time temperature in April in Princetown4
    4°C min night temperature
  • 13 hours of daylight per day in April in Princetown13
    13 hours of daylight per day
  • No heat & humidity in April in Princetown0
    No heat & humidity
  • 99 mm monthly rainfall in April in Princetown99
    99 mm of monthly rainfall
  • UV (maximum) index 6 (High) in April in Princetown6
    6 (High) UV index

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Princetown weather in May

Expect daytime maximum temperatures of 22°C in Princetown, New Jersey in May based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 105 mm of rainfall in the month.

  • 22°C maximum daytime temperature in May in Princetown22
    22°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in May in Princetown11
    11 days with some rainfall
  • 9°C minimum night-time temperature in May in Princetown9
    9°C min night temperature
  • 14 hours of daylight per day in May in Princetown14
    14 hours of daylight per day
  • No heat & humidity in May in Princetown0
    No heat & humidity
  • 105 mm monthly rainfall in May in Princetown105
    105 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Princetown8
    8 (Very High) UV index

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Princetown weather in June

Expect daytime maximum temperatures of 27°C in Princetown, New Jersey in June based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 92 mm of rainfall in the month.

  • 27°C maximum daytime temperature in June in Princetown27
    27°C max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in June in Princetown10
    10 days with some rainfall
  • 15°C minimum night-time temperature in June in Princetown15
    15°C min night temperature
  • 15 hours of daylight per day in June in Princetown15
    15 hours of daylight per day
  • Low heat & humidity in June in PrincetownL
    Low heat & humidity
  • 92 mm monthly rainfall in June in Princetown92
    92 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in June in Princetown9
    9 (Very High) UV index

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Princetown weather in July

Expect daytime maximum temperatures of 30°C in Princetown, New Jersey in July based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 126 mm of rainfall in the month.

  • 30°C maximum daytime temperature in July in Princetown30
    30°C max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in July in Princetown10
    10 days with some rainfall
  • 17°C minimum night-time temperature in July in Princetown17
    17°C min night temperature
  • 15 hours of daylight per day in July in Princetown15
    15 hours of daylight per day
  • Moderate heat & humidity in July in PrincetownM
    Moderate heat & humidity
  • 126 mm monthly rainfall in July in Princetown126
    126 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in July in Princetown9
    9 (Very High) UV index

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Princetown weather in August

Expect daytime maximum temperatures of 29°C in Princetown, New Jersey in August based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 115 mm of rainfall in the month.

  • 29°C maximum daytime temperature in August in Princetown29
    29°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in August in Princetown9
    9 days with some rainfall
  • 17°C minimum night-time temperature in August in Princetown17
    17°C min night temperature
  • 14 hours of daylight per day in August in Princetown14
    14 hours of daylight per day
  • Moderate heat & humidity in August in PrincetownM
    Moderate heat & humidity
  • 115 mm monthly rainfall in August in Princetown115
    115 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Princetown8
    8 (Very High) UV index

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Princetown weather in September

Expect daytime maximum temperatures of 25°C in Princetown, New Jersey in September based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 104 mm of rainfall in the month.

  • 25°C maximum daytime temperature in September in Princetown25
    25°C max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in September in Princetown8
    8 days with some rainfall
  • 12°C minimum night-time temperature in September in Princetown12
    12°C min night temperature
  • 12 hours of daylight per day in September in Princetown12
    12 hours of daylight per day
  • No heat & humidity in September in Princetown0
    No heat & humidity
  • 104 mm monthly rainfall in September in Princetown104
    104 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Princetown6
    6 (High) UV index

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Princetown weather in October

Expect daytime maximum temperatures of 19°C in Princetown, New Jersey in October based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 84 mm of rainfall in the month.

  • 19°C maximum daytime temperature in October in Princetown19
    19°C max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in October in Princetown8
    8 days with some rainfall
  • 6°C minimum night-time temperature in October in Princetown6
    6°C min night temperature
  • 11 hours of daylight per day in October in Princetown11
    11 hours of daylight per day
  • No heat & humidity in October in Princetown0
    No heat & humidity
  • 84 mm monthly rainfall in October in Princetown84
    84 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in October in Princetown4
    4 (Moderate) UV index

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Princetown weather in November

Expect daytime maximum temperatures of 13°C in Princetown, New Jersey in November based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 99 mm of rainfall in the month.

  • 13°C maximum daytime temperature in November in Princetown13
    13°C max day temperature
  • 5 hours of sunshine per day
  • 10 days with some rainfall in November in Princetown10
    10 days with some rainfall
  • 2°C minimum night-time temperature in November in Princetown2
    2°C min night temperature
  • 10 hours of daylight per day in November in Princetown10
    10 hours of daylight per day
  • No heat & humidity in November in Princetown0
    No heat & humidity
  • 99 mm monthly rainfall in November in Princetown99
    99 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in November in Princetown2
    2 (Low) UV index

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Princetown weather in December

Expect daytime maximum temperatures of 6°C in Princetown, New Jersey in December based on long-term weather averages. There are 4 hours of sunshine per day on average with 11 days with some rainfall and typically 96 mm of rainfall in the month, which might fall as snow.

  • 6°C maximum daytime temperature in December in Princetown6
    6°C max day temperature
  • 4 hours of sunshine per day
  • 11 days with some rainfall in December in Princetown11
    11 days with some rainfall
  • -4°C minimum night-time temperature in December in Princetown-4
    -4°C min night temperature
  • 9 hours of daylight per day in December in Princetown9
    9 hours of daylight per day
  • No heat & humidity in December in Princetown0
    No heat & humidity
  • 96 mm monthly rainfall in December in Princetown96
    96 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Princetown2
    2 (Low) UV index

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More about Princetown

Princetown by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for New Jersey

  • Save EXTRA 5% on airport transfers worldwide
  • Book private taxis & shuttle buses with discount code
  • Enter in coupon box on 'Reservations' page
Show discount codeShow discount code ******WEB

Expires at 23:59 on Thursday 31st Dec 2026

The climate guide for New Jersey (Princetown) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Compare Princetown weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Princetown, New Jersey, USA and the UK (London).

Maximum daytime temperature (°C)

Princetown, New Jersey, USA
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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